A control that displays a color value and lets the user change that color value.


class NSColorWell : NSControl


Use a color well when you want the user to be able to select a color. For example, an NSColorPanel object uses a color well to display the current color selection.


Managing Color From Color Wells

var color: NSColor

The color of the receiver.

func takeColorFrom(Any?)

Changes the color of the receiver to that of the specified object.

Activating and Deactivating Color Wells

func activate(Bool)

Activates the receiver, displays the color panel, and makes the current color the same as its own.

var isActive: Bool

A Boolean value that determines whether the color well is active.

func deactivate()

Deactivates the receiver and redraws it.

Managing Borders of Color Wells

var isBordered: Bool

A Boolean value that determines whether the receiver has a border.

Drawing a Color Well

func drawWell(inside: NSRect)

Draws the colored area inside the receiver at the specified location without drawing borders.

See Also


class NSButton

A control that defines an area on the screen that can be used to trigger actions.

Date Picker

Display a calendar date and provide controls for editing the date value.

class NSImageView

A display of image data from an NSImage object in a frame.

class NSLevelIndicator

A visual representation of a level or quantity, using discrete values.

Path Control

A display of a file system path or virtual path information.

class NSPopUpButton

A control for selecting an item from a list.

class NSProgressIndicator

An interface that provides visual feedback to the user about the status of an ongoing task.

class NSRuleEditor

An interface for configuring a rule-based list of options.

class NSPredicateEditor

A defined set of rules that allows the editing of predicate objects.

Search Field

Provide a text field that is optimized for text-based search interfaces.

class NSSegmentedControl

Display one or more buttons in a single horizontal group.


Display a range of values from which the user selects a single value.

class NSStepper

An interface with up and down arrow buttons for incrementing or decrementing a value.

Text Field

Provide a simple interface for displaying and editing text, including support for password fields and secure forms of text entry.

Token Field

Provide a text field whose text can be rendered in a visually distinct way so that users can recognize portions more easily.


Provide a space for controls under a window's title bar and above your custom content.

Combo Box

Display a list of values in a pop-up menu that lets the user select a value or type in a custom value.

class NSMatrix

A legacy interface for grouping radio buttons or other types of cells together.

class NSSwitch

A control that offers a binary choice.